﻿<p>The distribution flow element <em>IfcFlowTreatmentDevice</em> defines the occurrence of a device typically used to remove unwanted matter from a fluid, either liquid or gas, and typically participates in a flow distribution system.  Its type is defined by <em>IfcFlowTreatmentDeviceType</em> or its subtypes.</p>

<blockquote class="history">
HISTORY&nbsp; New entity in IFC2x.
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<blockquote class="change-ifc2x4">
IFC4 CHANGE&nbsp; This entity has been deprecated for instantiation and will become ABSTRACT in a future release; new subtypes should now be used instead.   
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